Possibility of simultaneous [O3] and [CO2] altitude distribution retrievals from the daytime emissions of electronically-vibrationally excited molecular oxygen in the mesosphere
2018
Abstract In this study we have formulated the multi-channel method for retrieval of the O( 3 P), O 3 and CO 2 volume mixing ratios, C v,O(3P) , C v,O3 and C v,CO2 , altitude profiles in the daytime mesosphere and lower thermosphere from the simultaneous measurements of intensities of three emissions formed by transitions from three electronically-vibrationally excited states, O 2 (b 1 Σ g + , v = 2), O 2 (b 1 Σ g + , v = 1) and O 2 (b 1 Σ g + , v = 0). Only using the YM2011 model of kinetics of O 3 and O 2 photolysis (Yankovsky et al., 2016. J. Molec. Spectr., 327, 209–232) allowed us to consider in detail the complex groups of the processes of excitation and quenching of the states O 2 (b 1 Σ g + , v = 0, 1, 2), the transitions from which form the system of the O 2 Atmospheric bands observed in the dayglow of the Earth. For the altitude range 50–85 km we developed in details the two-channel method of simultaneously retrieval of the volume mixing ratios of O 3 and CO 2 . For this method, we succeeded in obtaining formulas that can be used for remote sensing of the Earth atmosphere from satellites.
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